lkml.org 
[lkml]   [2021]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v1 6/7] bus: mhi: core: Wait for MHI READY state in most scenarios
On Tue, 30 Mar 2021 at 03:28, Bhaumik Bhatt <bbhatt@codeaurora.org> wrote:
>
> When moving from SYS_ERROR transition to a different execution
> environment, MHI host relies on the BHI register read to spawn
> the next image download or wait for READY -> M0 states. The
> device can at times move the execution environment to mission
> mode when a pass through is expected, which can result in a
> stall. Initiate a wait for MHI READY and write M0 such that the
> device can proceed with state change event updates for any new
> execution environment being entered. This allows us to remove
> conditionals in handling firmware load for PBL modes and keeps
> the execution environment out of the picture as it can change at
> any time.
>
> Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>

Reviewed-by: Loic Poulain <loic.poulain@linaro.org>

\
 
 \ /
  Last update: 2021-03-30 09:56    [W:0.102 / U:1.324 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site